moonraker/moonraker/components/update_manager/update_manager.py

1538 lines
62 KiB
Python

# Provides updates for Klipper and Moonraker
#
# Copyright (C) 2020 Eric Callahan <arksine.code@gmail.com>
#
# This file may be distributed under the terms of the GNU GPLv3 license.
from __future__ import annotations
import asyncio
import os
import pathlib
import logging
import shutil
import zipfile
import time
import tempfile
import re
import json
from ...utils import source_info
from ...thirdparty.packagekit import enums as PkEnum
from .common import AppType, Channel, get_base_configuration, get_app_type
from .base_deploy import BaseDeploy
from .app_deploy import AppDeploy
from .git_deploy import GitDeploy
from .zip_deploy import ZipDeploy
# Annotation imports
from typing import (
TYPE_CHECKING,
TypeVar,
Any,
Awaitable,
Callable,
Optional,
Set,
Tuple,
Type,
Union,
Dict,
List,
cast
)
if TYPE_CHECKING:
from ...server import Server
from ...confighelper import ConfigHelper
from ...common import WebRequest
from ...klippy_connection import KlippyConnection
from ..shell_command import ShellCommandFactory as SCMDComp
from ..database import MoonrakerDatabase as DBComp
from ..database import NamespaceWrapper
from ..dbus_manager import DbusManager
from ..machine import Machine
from ..http_client import HttpClient
from ..file_manager.file_manager import FileManager
from ...eventloop import FlexTimer
from dbus_next import Variant
from dbus_next.aio import ProxyInterface
JsonType = Union[List[Any], Dict[str, Any]]
_T = TypeVar("_T")
# Check To see if Updates are necessary each hour
UPDATE_REFRESH_INTERVAL = 3600.
# Perform auto refresh no later than 4am
MAX_UPDATE_HOUR = 4
def get_deploy_class(
app_type: Union[AppType, str], default: _T
) -> Union[Type[BaseDeploy], _T]:
key = AppType.from_string(app_type) if isinstance(app_type, str) else app_type
_deployers = {
AppType.WEB: WebClientDeploy,
AppType.GIT_REPO: GitDeploy,
AppType.ZIP: ZipDeploy
}
return _deployers.get(key, default)
class UpdateManager:
def __init__(self, config: ConfigHelper) -> None:
self.server = config.get_server()
self.event_loop = self.server.get_event_loop()
self.kconn: KlippyConnection
self.kconn = self.server.lookup_component("klippy_connection")
self.app_config = get_base_configuration(config)
auto_refresh_enabled = config.getboolean('enable_auto_refresh', False)
self.cmd_helper = CommandHelper(config, self.get_updaters)
self.updaters: Dict[str, BaseDeploy] = {}
if config.getboolean('enable_system_updates', True):
self.updaters['system'] = PackageDeploy(config, self.cmd_helper)
mcfg = self.app_config["moonraker"]
kcfg = self.app_config["klipper"]
mclass = get_deploy_class(mcfg.get("type"), BaseDeploy)
self.updaters['moonraker'] = mclass(mcfg, self.cmd_helper)
kclass = BaseDeploy
if (
os.path.exists(kcfg.get("path")) and
os.path.exists(kcfg.get("env"))
):
kclass = get_deploy_class(kcfg.get("type"), BaseDeploy)
self.updaters['klipper'] = kclass(kcfg, self.cmd_helper)
# TODO: The below check may be removed when invalid config options
# raise a config error.
if (
config.get("client_repo", None) is not None or
config.get('client_path', None) is not None
):
raise config.error(
"The deprecated 'client_repo' and 'client_path' options\n"
"have been removed. See Moonraker's configuration docs\n"
"for details on client configuration.")
client_sections = config.get_prefix_sections("update_manager ")
for section in client_sections:
cfg = config[section]
name = BaseDeploy.parse_name(cfg)
if name in self.updaters:
if name not in ["klipper", "moonraker"]:
self.server.add_warning(
f"[update_manager]: Extension {name} already added"
)
continue
try:
client_type = cfg.get("type")
deployer = get_deploy_class(client_type, None)
if deployer is None:
self.server.add_warning(
f"Invalid type '{client_type}' for section [{section}]")
else:
self.updaters[name] = deployer(cfg, self.cmd_helper)
except Exception as e:
self.server.add_warning(
f"[update_manager]: Failed to load extension {name}: {e}"
)
self.cmd_request_lock = asyncio.Lock()
self.initial_refresh_complete: bool = False
self.klippy_identified_evt: Optional[asyncio.Event] = None
# Auto Status Refresh
self.refresh_timer: Optional[FlexTimer] = None
if auto_refresh_enabled:
self.refresh_timer = self.event_loop.register_timer(
self._handle_auto_refresh)
self.server.register_endpoint(
"/machine/update/moonraker", ["POST"],
self._handle_update_request)
self.server.register_endpoint(
"/machine/update/klipper", ["POST"],
self._handle_update_request)
self.server.register_endpoint(
"/machine/update/system", ["POST"],
self._handle_update_request)
self.server.register_endpoint(
"/machine/update/client", ["POST"],
self._handle_update_request)
self.server.register_endpoint(
"/machine/update/full", ["POST"],
self._handle_full_update_request)
self.server.register_endpoint(
"/machine/update/status", ["GET"],
self._handle_status_request)
self.server.register_endpoint(
"/machine/update/refresh", ["POST"],
self._handle_refresh_request)
self.server.register_endpoint(
"/machine/update/recover", ["POST"],
self._handle_repo_recovery)
self.server.register_endpoint(
"/machine/update/rollback", ["POST"],
self._handle_rollback)
self.server.register_notification("update_manager:update_response")
self.server.register_notification("update_manager:update_refreshed")
# Register Ready Event
self.server.register_event_handler(
"server:klippy_identified", self._set_klipper_repo)
def get_updaters(self) -> Dict[str, BaseDeploy]:
return self.updaters
async def component_init(self) -> None:
# Prune stale data from the database
umdb = self.cmd_helper.get_umdb()
db_keys = await umdb.keys()
for key in db_keys:
if key not in self.updaters:
logging.info(f"Removing stale update_manager data: {key}")
await umdb.pop(key, None)
for updater in list(self.updaters.values()):
await updater.initialize()
if self.refresh_timer is not None:
self.refresh_timer.start()
else:
self.event_loop.register_callback(
self._handle_auto_refresh, self.event_loop.get_loop_time()
)
def _set_klipper_repo(self) -> None:
if self.klippy_identified_evt is not None:
self.klippy_identified_evt.set()
kinfo = self.server.get_klippy_info()
if not kinfo:
logging.info("No valid klippy info received")
return
kpath: str = kinfo['klipper_path']
executable: str = kinfo['python_path']
kupdater = self.updaters.get('klipper')
if (
isinstance(kupdater, AppDeploy) and
kupdater.check_same_paths(kpath, executable)
):
# Current Klipper Updater is valid
return
# Update paths in the database
db: DBComp = self.server.lookup_component('database')
db.insert_item("moonraker", "update_manager.klipper_path", kpath)
db.insert_item("moonraker", "update_manager.klipper_exec", executable)
app_type = get_app_type(kpath)
kcfg = self.app_config["klipper"]
kcfg.set_option("path", kpath)
kcfg.set_option("env", executable)
kcfg.set_option("type", str(app_type))
need_notification = not isinstance(kupdater, AppDeploy)
kclass = get_deploy_class(app_type, BaseDeploy)
self.updaters['klipper'] = kclass(kcfg, self.cmd_helper)
coro = self._update_klipper_repo(need_notification)
self.event_loop.create_task(coro)
async def _update_klipper_repo(self, notify: bool) -> None:
async with self.cmd_request_lock:
umdb = self.cmd_helper.get_umdb()
await umdb.pop('klipper', None)
await self.updaters['klipper'].initialize()
await self.updaters['klipper'].refresh()
if notify:
self.cmd_helper.notify_update_refreshed()
async def _handle_auto_refresh(self, eventtime: float) -> float:
cur_hour = time.localtime(time.time()).tm_hour
log_remaining_time = True
if self.initial_refresh_complete:
log_remaining_time = False
# Update when the local time is between 12AM and 5AM
if cur_hour >= MAX_UPDATE_HOUR:
return eventtime + UPDATE_REFRESH_INTERVAL
if self.kconn.is_printing():
# Don't Refresh during a print
logging.info("Klippy is printing, auto refresh aborted")
return eventtime + UPDATE_REFRESH_INTERVAL
need_notify = False
machine: Machine = self.server.lookup_component("machine")
if machine.validation_enabled():
logging.info(
"update_manger: Install validation pending, bypassing "
"initial refresh"
)
self.initial_refresh_complete = True
return eventtime + UPDATE_REFRESH_INTERVAL
async with self.cmd_request_lock:
try:
for name, updater in list(self.updaters.items()):
if updater.needs_refresh(log_remaining_time):
await updater.refresh()
need_notify = True
except Exception:
logging.exception("Unable to Refresh Status")
return eventtime + UPDATE_REFRESH_INTERVAL
finally:
self.initial_refresh_complete = True
if need_notify:
self.cmd_helper.notify_update_refreshed()
return eventtime + UPDATE_REFRESH_INTERVAL
async def _handle_update_request(self,
web_request: WebRequest
) -> str:
if self.kconn.is_printing():
raise self.server.error("Update Refused: Klippy is printing")
app: str = web_request.get_endpoint().split("/")[-1]
if app == "client":
app = web_request.get_str('name')
if self.cmd_helper.is_app_updating(app):
return f"Object {app} is currently being updated"
updater = self.updaters.get(app, None)
if updater is None:
raise self.server.error(f"Updater {app} not available", 404)
async with self.cmd_request_lock:
self.cmd_helper.set_update_info(app, id(web_request))
try:
await updater.update()
except Exception as e:
self.cmd_helper.notify_update_response(
f"Error updating {app}: {e}", is_complete=True)
raise
finally:
self.cmd_helper.clear_update_info()
return "ok"
async def _handle_full_update_request(self,
web_request: WebRequest
) -> str:
async with self.cmd_request_lock:
app_name = ""
self.cmd_helper.set_update_info('full', id(web_request))
self.cmd_helper.notify_update_response(
"Preparing full software update...")
try:
# Perform system updates
if 'system' in self.updaters:
app_name = 'system'
await self.updaters['system'].update()
# Update clients
for name, updater in self.updaters.items():
if name in ['klipper', 'moonraker', 'system']:
continue
app_name = name
await updater.update()
# Update Klipper
app_name = 'klipper'
kupdater = self.updaters.get('klipper')
if isinstance(kupdater, AppDeploy):
self.klippy_identified_evt = asyncio.Event()
check_restart = await kupdater.update()
if self.cmd_helper.needs_service_restart(app_name):
await kupdater.restart_service()
check_restart = True
if check_restart:
self.cmd_helper.notify_update_response(
"Waiting for Klippy to reconnect (this may take"
" up to 2 minutes)...")
try:
await asyncio.wait_for(
self.klippy_identified_evt.wait(), 120.)
except asyncio.TimeoutError:
self.cmd_helper.notify_update_response(
"Klippy reconnect timed out...")
else:
self.cmd_helper.notify_update_response(
"Klippy Reconnected")
self.klippy_identified_evt = None
# Update Moonraker
app_name = 'moonraker'
moon_updater = cast(AppDeploy, self.updaters["moonraker"])
await moon_updater.update()
if self.cmd_helper.needs_service_restart(app_name):
await moon_updater.restart_service()
self.cmd_helper.set_full_complete(True)
self.cmd_helper.notify_update_response(
"Full Update Complete", is_complete=True)
except Exception as e:
self.cmd_helper.set_full_complete(True)
self.cmd_helper.notify_update_response(
f"Error updating {app_name}: {e}", is_complete=True)
finally:
self.cmd_helper.clear_update_info()
return "ok"
async def _handle_status_request(self,
web_request: WebRequest
) -> Dict[str, Any]:
check_refresh = web_request.get_boolean('refresh', False)
# Override a request to refresh if:
# - An update is in progress
# - Klippy is printing
# - Validation is pending
machine: Machine = self.server.lookup_component("machine")
if (
machine.validation_enabled() or
self.cmd_helper.is_update_busy() or
self.kconn.is_printing() or
not self.initial_refresh_complete
):
if check_refresh:
logging.info("update_manager: bypassing refresh request")
check_refresh = False
if check_refresh:
# Acquire the command request lock if we want force a refresh
await self.cmd_request_lock.acquire()
# Now that we have acquired the lock reject attempts to spam
# the refresh request.
lrt = max([upd.get_last_refresh_time()
for upd in self.updaters.values()])
if time.time() < lrt + 60.:
logging.debug("update_manager: refresh bypassed due to spam")
check_refresh = False
self.cmd_request_lock.release()
vinfo: Dict[str, Any] = {}
try:
for name, updater in list(self.updaters.items()):
if check_refresh:
await updater.refresh()
vinfo[name] = updater.get_update_status()
except Exception:
raise
finally:
if check_refresh:
self.cmd_request_lock.release()
ret = self.cmd_helper.get_rate_limit_stats()
ret['version_info'] = vinfo
ret['busy'] = self.cmd_helper.is_update_busy()
if check_refresh:
event_loop = self.server.get_event_loop()
event_loop.delay_callback(
.2, self.cmd_helper.notify_update_refreshed
)
return ret
async def _handle_refresh_request(
self, web_request: WebRequest
) -> Dict[str, Any]:
name: Optional[str] = web_request.get_str("name", None)
if name is not None and name not in self.updaters:
raise self.server.error(f"No updater registered for '{name}'")
machine: Machine = self.server.lookup_component("machine")
if (
machine.validation_enabled() or
self.cmd_helper.is_update_busy() or
self.kconn.is_printing() or
not self.initial_refresh_complete
):
raise self.server.error(
"Server is busy, cannot perform refresh", 503
)
async with self.cmd_request_lock:
vinfo: Dict[str, Any] = {}
for updater_name, updater in list(self.updaters.items()):
if name is None or updater_name == name:
await updater.refresh()
vinfo[updater_name] = updater.get_update_status()
ret = self.cmd_helper.get_rate_limit_stats()
ret['version_info'] = vinfo
ret['busy'] = self.cmd_helper.is_update_busy()
event_loop = self.server.get_event_loop()
event_loop.delay_callback(
.2, self.cmd_helper.notify_update_refreshed
)
return ret
async def _handle_repo_recovery(self, web_request: WebRequest) -> str:
if self.kconn.is_printing():
raise self.server.error(
"Recovery Attempt Refused: Klippy is printing")
app: str = web_request.get_str('name')
hard = web_request.get_boolean("hard", False)
update_deps = web_request.get_boolean("update_deps", False)
updater = self.updaters.get(app, None)
if updater is None:
raise self.server.error(f"Updater {app} not available", 404)
elif not isinstance(updater, GitDeploy):
raise self.server.error(f"Upater {app} is not a Git Repo Type")
async with self.cmd_request_lock:
self.cmd_helper.set_update_info(f"recover_{app}", id(web_request))
try:
await updater.recover(hard, update_deps)
except Exception as e:
self.cmd_helper.notify_update_response(
f"Error Recovering {app}")
self.cmd_helper.notify_update_response(
str(e), is_complete=True)
raise
finally:
self.cmd_helper.clear_update_info()
return "ok"
async def _handle_rollback(self, web_request: WebRequest) -> str:
if self.kconn.is_printing():
raise self.server.error("Rollback Attempt Refused: Klippy is printing")
app: str = web_request.get_str('name')
updater = self.updaters.get(app, None)
if updater is None:
raise self.server.error(f"Updater {app} not available", 404)
async with self.cmd_request_lock:
self.cmd_helper.set_update_info(f"rollback_{app}", id(web_request))
try:
await updater.rollback()
except Exception as e:
self.cmd_helper.notify_update_response(f"Error Rolling Back {app}")
self.cmd_helper.notify_update_response(str(e), is_complete=True)
raise
finally:
self.cmd_helper.clear_update_info()
return "ok"
async def close(self) -> None:
if self.refresh_timer is not None:
self.refresh_timer.stop()
for updater in self.updaters.values():
ret = updater.close()
if ret is not None:
await ret
class CommandHelper:
def __init__(
self,
config: ConfigHelper,
get_updater_cb: Callable[[], Dict[str, BaseDeploy]]
) -> None:
self.server = config.get_server()
self.get_updaters = get_updater_cb
self.http_client: HttpClient
self.http_client = self.server.lookup_component("http_client")
config.getboolean('enable_repo_debug', False, deprecate=True)
if self.server.is_debug_enabled():
logging.warning("UPDATE MANAGER: REPO DEBUG ENABLED")
shell_cmd: SCMDComp = self.server.lookup_component('shell_command')
self.scmd_error = shell_cmd.error
self.build_shell_command = shell_cmd.build_shell_command
self.run_cmd_with_response = shell_cmd.exec_cmd
self.pkg_updater: Optional[PackageDeploy] = None
# database management
db: DBComp = self.server.lookup_component('database')
db.register_local_namespace("update_manager")
self.umdb = db.wrap_namespace("update_manager")
# Refresh Time Tracking (default is to refresh every 7 days)
reresh_interval = config.getint('refresh_interval', 168)
# Convert to seconds
self.refresh_interval = reresh_interval * 60 * 60
# GitHub API Rate Limit Tracking
self.gh_rate_limit: Optional[int] = None
self.gh_limit_remaining: Optional[int] = None
self.gh_limit_reset_time: Optional[float] = None
# Update In Progress Tracking
self.cur_update_app: Optional[str] = None
self.cur_update_id: Optional[int] = None
self.full_update: bool = False
self.full_complete: bool = False
self.pending_service_restarts: Set[str] = set()
def get_server(self) -> Server:
return self.server
def get_http_client(self) -> HttpClient:
return self.http_client
def get_refresh_interval(self) -> float:
return self.refresh_interval
def get_umdb(self) -> NamespaceWrapper:
return self.umdb
def set_update_info(self, app: str, uid: int) -> None:
self.cur_update_app = app
self.cur_update_id = uid
self.full_update = app == "full"
self.full_complete = not self.full_update
self.pending_service_restarts.clear()
def is_full_update(self) -> bool:
return self.full_update
def add_pending_restart(self, svc_name: str) -> None:
self.pending_service_restarts.add(svc_name)
def remove_pending_restart(self, svc_name: str) -> None:
if svc_name in self.pending_service_restarts:
self.pending_service_restarts.remove(svc_name)
def set_full_complete(self, complete: bool = False):
self.full_complete = complete
def clear_update_info(self) -> None:
self.cur_update_app = self.cur_update_id = None
self.full_update = False
self.full_complete = False
self.pending_service_restarts.clear()
def needs_service_restart(self, svc_name: str) -> bool:
return svc_name in self.pending_service_restarts
def is_app_updating(self, app_name: str) -> bool:
return self.cur_update_app == app_name
def is_update_busy(self) -> bool:
return self.cur_update_app is not None
def set_package_updater(self, updater: PackageDeploy) -> None:
self.pkg_updater = updater
async def run_cmd(
self,
cmd: str,
timeout: float = 20.,
notify: bool = False,
retries: int = 1,
env: Optional[Dict[str, str]] = None,
cwd: Optional[str] = None,
sig_idx: int = 1
) -> None:
cb = self.notify_update_response if notify else None
scmd = self.build_shell_command(cmd, callback=cb, env=env, cwd=cwd)
for _ in range(retries):
if await scmd.run(timeout=timeout, sig_idx=sig_idx):
break
else:
raise self.server.error("Shell Command Error")
def notify_update_refreshed(self) -> None:
vinfo: Dict[str, Any] = {}
for name, updater in self.get_updaters().items():
vinfo[name] = updater.get_update_status()
uinfo = self.get_rate_limit_stats()
uinfo['version_info'] = vinfo
uinfo['busy'] = self.is_update_busy()
self.server.send_event("update_manager:update_refreshed", uinfo)
def notify_update_response(
self, resp: Union[str, bytes], is_complete: bool = False
) -> None:
if self.cur_update_app is None:
return
resp = resp.strip()
if isinstance(resp, bytes):
resp = resp.decode()
done = is_complete
if self.full_update:
done &= self.full_complete
notification = {
'message': resp,
'application': self.cur_update_app,
'proc_id': self.cur_update_id,
'complete': done}
self.server.send_event(
"update_manager:update_response", notification)
async def install_packages(
self, package_list: List[str], **kwargs
) -> None:
if self.pkg_updater is None:
return
await self.pkg_updater.install_packages(package_list, **kwargs)
def get_rate_limit_stats(self) -> Dict[str, Any]:
return self.http_client.github_api_stats()
def on_download_progress(
self, progress: int, download_size: int, downloaded: int
) -> None:
totals = (
f"{downloaded // 1024} KiB / "
f"{download_size // 1024} KiB"
)
self.notify_update_response(
f"Downloading {self.cur_update_app}: {totals} [{progress}%]")
async def create_tempdir(
self, suffix: Optional[str] = None, prefix: Optional[str] = None
) -> tempfile.TemporaryDirectory[str]:
def _createdir(sfx, pfx):
return tempfile.TemporaryDirectory(suffix=sfx, prefix=pfx)
eventloop = self.server.get_event_loop()
return await eventloop.run_in_thread(_createdir, suffix, prefix)
class PackageDeploy(BaseDeploy):
def __init__(self,
config: ConfigHelper,
cmd_helper: CommandHelper
) -> None:
super().__init__(config, cmd_helper, "system", "", "")
cmd_helper.set_package_updater(self)
self.use_packagekit = config.getboolean("enable_packagekit", True)
self.available_packages: List[str] = []
async def initialize(self) -> Dict[str, Any]:
storage = await super().initialize()
self.available_packages = storage.get('packages', [])
provider: BasePackageProvider
try_fallback = True
if self.use_packagekit:
try:
provider = PackageKitProvider(self.cmd_helper)
await provider.initialize()
except Exception:
pass
else:
self.log_info("PackageDeploy: PackageKit Provider Configured")
self.prefix = "PackageKit: "
try_fallback = False
if try_fallback:
# Check to see of the apt command is available
fallback = await self._get_fallback_provider()
if fallback is None:
provider = BasePackageProvider(self.cmd_helper)
machine: Machine = self.server.lookup_component("machine")
dist_info = machine.get_system_info()['distribution']
dist_id: str = dist_info['id'].lower()
self.server.add_warning(
"Unable to initialize System Update Provider for "
f"distribution: {dist_id}")
else:
self.log_info("PackageDeploy: Using APT CLI Provider")
self.prefix = "Package Manager APT: "
provider = fallback
self.provider = provider
return storage
async def _get_fallback_provider(self) -> Optional[BasePackageProvider]:
# Currently only the API Fallback provider is available
shell_cmd: SCMDComp
shell_cmd = self.server.lookup_component("shell_command")
cmd = shell_cmd.build_shell_command("sh -c 'command -v apt'")
try:
ret = await cmd.run_with_response()
except shell_cmd.error:
return None
# APT Command found should be available
self.log_debug(f"APT package manager detected: {ret}")
provider = AptCliProvider(self.cmd_helper)
try:
await provider.initialize()
except Exception:
return None
return provider
async def refresh(self) -> None:
try:
# Do not force a refresh until the server has started
if self.server.is_running():
await self._update_package_cache(force=True)
self.available_packages = await self.provider.get_packages()
pkg_msg = "\n".join(self.available_packages)
self.log_info(
f"Detected {len(self.available_packages)} package updates:"
f"\n{pkg_msg}"
)
except Exception:
self.log_exc("Error Refreshing System Packages")
# Update Persistent Storage
self._save_state()
def get_persistent_data(self) -> Dict[str, Any]:
storage = super().get_persistent_data()
storage['packages'] = self.available_packages
return storage
async def update(self) -> bool:
if not self.available_packages:
return False
self.cmd_helper.notify_update_response("Updating packages...")
try:
await self._update_package_cache(force=True, notify=True)
await self.provider.upgrade_system()
except Exception:
raise self.server.error("Error updating system packages")
self.available_packages = []
self._save_state()
self.cmd_helper.notify_update_response(
"Package update finished...", is_complete=True)
return True
async def _update_package_cache(self,
force: bool = False,
notify: bool = False
) -> None:
curtime = time.time()
if force or curtime > self.last_refresh_time + 3600.:
# Don't update if a request was done within the last hour
await self.provider.refresh_packages(notify)
async def install_packages(self,
package_list: List[str],
**kwargs
) -> None:
await self.provider.install_packages(package_list, **kwargs)
def get_update_status(self) -> Dict[str, Any]:
return {
'package_count': len(self.available_packages),
'package_list': self.available_packages
}
class BasePackageProvider:
def __init__(self, cmd_helper: CommandHelper) -> None:
self.server = cmd_helper.get_server()
self.cmd_helper = cmd_helper
async def initialize(self) -> None:
pass
async def refresh_packages(self, notify: bool = False) -> None:
raise self.server.error("Cannot refresh packages, no provider set")
async def get_packages(self) -> List[str]:
raise self.server.error("Cannot retrieve packages, no provider set")
async def install_packages(self,
package_list: List[str],
**kwargs
) -> None:
raise self.server.error("Cannot install packages, no provider set")
async def upgrade_system(self) -> None:
raise self.server.error("Cannot upgrade packages, no provider set")
class AptCliProvider(BasePackageProvider):
APT_CMD = "sudo DEBIAN_FRONTEND=noninteractive apt-get"
async def refresh_packages(self, notify: bool = False) -> None:
await self.cmd_helper.run_cmd(
f"{self.APT_CMD} update", timeout=600., notify=notify)
async def get_packages(self) -> List[str]:
res = await self.cmd_helper.run_cmd_with_response(
"apt list --upgradable", timeout=60.)
pkg_list = [p.strip() for p in res.split("\n") if p.strip()]
if pkg_list:
pkg_list = pkg_list[2:]
return [p.split("/", maxsplit=1)[0] for p in pkg_list]
return []
async def resolve_packages(self, package_list: List[str]) -> List[str]:
self.cmd_helper.notify_update_response("Resolving packages...")
search_regex = "|".join([f"^{pkg}$" for pkg in package_list])
cmd = f"apt-cache search --names-only \"{search_regex}\""
ret = await self.cmd_helper.run_cmd_with_response(cmd, timeout=600.)
resolved = [
pkg.strip().split()[0] for pkg in ret.split("\n") if pkg.strip()
]
return [avail for avail in package_list if avail in resolved]
async def install_packages(self,
package_list: List[str],
**kwargs
) -> None:
timeout: float = kwargs.get('timeout', 300.)
retries: int = kwargs.get('retries', 3)
notify: bool = kwargs.get('notify', False)
await self.refresh_packages(notify=notify)
resolved = await self.resolve_packages(package_list)
if not resolved:
self.cmd_helper.notify_update_response("No packages detected")
return
logging.debug(f"Resolved packages: {resolved}")
pkgs = " ".join(resolved)
await self.cmd_helper.run_cmd(
f"{self.APT_CMD} install --yes {pkgs}", timeout=timeout,
retries=retries, notify=notify)
async def upgrade_system(self) -> None:
await self.cmd_helper.run_cmd(
f"{self.APT_CMD} upgrade --yes", timeout=3600.,
notify=True)
class PackageKitProvider(BasePackageProvider):
def __init__(self, cmd_helper: CommandHelper) -> None:
super().__init__(cmd_helper)
dbus_mgr: DbusManager = self.server.lookup_component("dbus_manager")
self.dbus_mgr = dbus_mgr
self.pkgkit: Optional[ProxyInterface] = None
async def initialize(self) -> None:
if not self.dbus_mgr.is_connected():
raise self.server.error("DBus Connection Not available")
# Check for PolicyKit permissions
await self.dbus_mgr.check_permission(
"org.freedesktop.packagekit.system-sources-refresh",
"The Update Manager will fail to fetch package updates")
await self.dbus_mgr.check_permission(
"org.freedesktop.packagekit.package-install",
"The Update Manager will fail to install packages")
await self.dbus_mgr.check_permission(
"org.freedesktop.packagekit.system-update",
"The Update Manager will fail to update packages"
)
# Fetch the PackageKit DBus Inteface
self.pkgkit = await self.dbus_mgr.get_interface(
"org.freedesktop.PackageKit",
"/org/freedesktop/PackageKit",
"org.freedesktop.PackageKit")
async def refresh_packages(self, notify: bool = False) -> None:
await self.run_transaction("refresh_cache", False, notify=notify)
async def get_packages(self) -> List[str]:
flags = PkEnum.Filter.NONE
pkgs = await self.run_transaction("get_updates", flags.value)
pkg_ids = [info['package_id'] for info in pkgs if 'package_id' in info]
return [pkg_id.split(";")[0] for pkg_id in pkg_ids]
async def install_packages(self,
package_list: List[str],
**kwargs
) -> None:
notify: bool = kwargs.get('notify', False)
await self.refresh_packages(notify=notify)
flags = (
PkEnum.Filter.NEWEST | PkEnum.Filter.NOT_INSTALLED |
PkEnum.Filter.BASENAME | PkEnum.Filter.ARCH
)
pkgs = await self.run_transaction("resolve", flags.value, package_list)
pkg_ids = [info['package_id'] for info in pkgs if 'package_id' in info]
if pkg_ids:
logging.debug(f"Installing Packages: {pkg_ids}")
tflag = PkEnum.TransactionFlag.ONLY_TRUSTED
await self.run_transaction("install_packages", tflag.value,
pkg_ids, notify=notify)
async def upgrade_system(self) -> None:
# Get Updates, Install Packages
flags = PkEnum.Filter.NONE
pkgs = await self.run_transaction("get_updates", flags.value)
pkg_ids = [info['package_id'] for info in pkgs if 'package_id' in info]
if pkg_ids:
logging.debug(f"Upgrading Packages: {pkg_ids}")
tflag = PkEnum.TransactionFlag.ONLY_TRUSTED
await self.run_transaction("update_packages", tflag.value,
pkg_ids, notify=True)
def create_transaction(self) -> PackageKitTransaction:
if self.pkgkit is None:
raise self.server.error("PackageKit Interface Not Available")
return PackageKitTransaction(self.dbus_mgr, self.pkgkit,
self.cmd_helper)
async def run_transaction(self,
method: str,
*args,
notify: bool = False
) -> Any:
transaction = self.create_transaction()
return await transaction.run(method, *args, notify=notify)
class PackageKitTransaction:
GET_PKG_ROLES = (
PkEnum.Role.RESOLVE | PkEnum.Role.GET_PACKAGES |
PkEnum.Role.GET_UPDATES
)
QUERY_ROLES = GET_PKG_ROLES | PkEnum.Role.GET_REPO_LIST
PROGRESS_STATUS = (
PkEnum.Status.RUNNING | PkEnum.Status.INSTALL |
PkEnum.Status.UPDATE
)
def __init__(self,
dbus_mgr: DbusManager,
pkgkit: ProxyInterface,
cmd_helper: CommandHelper
) -> None:
self.server = cmd_helper.get_server()
self.eventloop = self.server.get_event_loop()
self.cmd_helper = cmd_helper
self.dbus_mgr = dbus_mgr
self.pkgkit = pkgkit
# Transaction Properties
self.notify = False
self._status = PkEnum.Status.UNKNOWN
self._role = PkEnum.Role.UNKNOWN
self._tflags = PkEnum.TransactionFlag.NONE
self._percentage = 101
self._dl_remaining = 0
self.speed = 0
self.elapsed_time = 0
self.remaining_time = 0
self.caller_active = False
self.allow_cancel = True
self.uid = 0
# Transaction data tracking
self.tfut: Optional[asyncio.Future] = None
self.last_progress_notify_time: float = 0.
self.result: List[Dict[str, Any]] = []
self.err_msg: str = ""
def run(self,
method: str,
*args,
notify: bool = False
) -> Awaitable:
if self.tfut is not None:
raise self.server.error(
"PackageKit transaction can only be used once")
self.notify = notify
self.tfut = self.eventloop.create_future()
coro = self._start_transaction(method, *args)
self.eventloop.create_task(coro)
return self.tfut
async def _start_transaction(self,
method: str,
*args
) -> None:
assert self.tfut is not None
try:
# Create Transaction
tid = await self.pkgkit.call_create_transaction() # type: ignore
transaction, props = await self.dbus_mgr.get_interfaces(
"org.freedesktop.PackageKit", tid,
["org.freedesktop.PackageKit.Transaction",
"org.freedesktop.DBus.Properties"])
# Set interface callbacks
transaction.on_package(self._on_package_signal) # type: ignore
transaction.on_repo_detail( # type: ignore
self._on_repo_detail_signal)
transaction.on_item_progress( # type: ignore
self._on_item_progress_signal)
transaction.on_error_code(self._on_error_signal) # type: ignore
transaction.on_finished(self._on_finished_signal) # type: ignore
props.on_properties_changed( # type: ignore
self._on_properties_changed)
# Run method
logging.debug(f"PackageKit: Running transaction call_{method}")
func = getattr(transaction, f"call_{method}")
await func(*args)
except Exception as e:
self.tfut.set_exception(e)
def _on_package_signal(self,
info_code: int,
package_id: str,
summary: str
) -> None:
info = PkEnum.Info.from_index(info_code)
if self._role in self.GET_PKG_ROLES:
pkg_data = {
'package_id': package_id,
'info': info.desc,
'summary': summary
}
self.result.append(pkg_data)
else:
self._notify_package(info, package_id)
def _on_repo_detail_signal(self,
repo_id: str,
description: str,
enabled: bool
) -> None:
if self._role == PkEnum.Role.GET_REPO_LIST:
repo_data = {
"repo_id": repo_id,
"description": description,
"enabled": enabled
}
self.result.append(repo_data)
else:
self._notify_repo(repo_id, description)
def _on_item_progress_signal(self,
item_id: str,
status_code: int,
percent_complete: int
) -> None:
status = PkEnum.Status.from_index(status_code)
# NOTE: This signal doesn't seem to fire predictably,
# nor does it seem to provide a consistent "percent complete"
# parameter.
# logging.debug(
# f"Role {self._role.name}: Item Progress Signal Received\n"
# f"Item ID: {item_id}\n"
# f"Percent Complete: {percent_complete}\n"
# f"Status: {status.desc}")
def _on_error_signal(self,
error_code: int,
details: str
) -> None:
err = PkEnum.Error.from_index(error_code)
self.err_msg = f"{err.name}: {details}"
def _on_finished_signal(self, exit_code: int, run_time: int) -> None:
if self.tfut is None:
return
ext = PkEnum.Exit.from_index(exit_code)
secs = run_time / 1000.
if ext == PkEnum.Exit.SUCCESS:
self.tfut.set_result(self.result)
else:
err = self.err_msg or ext.desc
server = self.cmd_helper.get_server()
self.tfut.set_exception(server.error(err))
msg = f"Transaction {self._role.desc}: Exit {ext.desc}, " \
f"Run time: {secs:.2f} seconds"
if self.notify:
self.cmd_helper.notify_update_response(msg)
logging.debug(msg)
def _on_properties_changed(self,
iface_name: str,
changed_props: Dict[str, Variant],
invalid_props: Dict[str, Variant]
) -> None:
for name, var in changed_props.items():
formatted = re.sub(r"(\w)([A-Z])", r"\g<1>_\g<2>", name).lower()
setattr(self, formatted, var.value)
def _notify_package(self, info: PkEnum.Info, package_id: str) -> None:
if self.notify:
if info == PkEnum.Info.FINISHED:
return
pkg_parts = package_id.split(";")
msg = f"{info.desc}: {pkg_parts[0]} ({pkg_parts[1]})"
self.cmd_helper.notify_update_response(msg)
def _notify_repo(self, repo_id: str, description: str) -> None:
if self.notify:
if not repo_id.strip():
repo_id = description
# TODO: May want to eliminate dups
msg = f"GET: {repo_id}"
self.cmd_helper.notify_update_response(msg)
def _notify_progress(self) -> None:
if self.notify and self._percentage <= 100:
msg = f"{self._status.desc}...{self._percentage}%"
if self._status == PkEnum.Status.DOWNLOAD and self._dl_remaining:
if self._dl_remaining < 1024:
msg += f", Remaining: {self._dl_remaining} B"
elif self._dl_remaining < 1048576:
msg += f", Remaining: {self._dl_remaining // 1024} KiB"
else:
msg += f", Remaining: {self._dl_remaining // 1048576} MiB"
if self.speed:
speed = self.speed // 8
if speed < 1024:
msg += f", Speed: {speed} B/s"
elif speed < 1048576:
msg += f", Speed: {speed // 1024} KiB/s"
else:
msg += f", Speed: {speed // 1048576} MiB/s"
self.cmd_helper.notify_update_response(msg)
@property
def role(self) -> PkEnum.Role:
return self._role
@role.setter
def role(self, role_code: int) -> None:
self._role = PkEnum.Role.from_index(role_code)
if self._role in self.QUERY_ROLES:
# Never Notify Queries
self.notify = False
if self.notify:
msg = f"Transaction {self._role.desc} started..."
self.cmd_helper.notify_update_response(msg)
logging.debug(f"PackageKit: Current Role: {self._role.desc}")
@property
def status(self) -> PkEnum.Status:
return self._status
@status.setter
def status(self, status_code: int) -> None:
self._status = PkEnum.Status.from_index(status_code)
self._percentage = 101
self.speed = 0
logging.debug(f"PackageKit: Current Status: {self._status.desc}")
@property
def transaction_flags(self) -> PkEnum.TransactionFlag:
return self._tflags
@transaction_flags.setter
def transaction_flags(self, bits: int) -> None:
self._tflags = PkEnum.TransactionFlag(bits)
@property
def percentage(self) -> int:
return self._percentage
@percentage.setter
def percentage(self, percent: int) -> None:
self._percentage = percent
if self._status in self.PROGRESS_STATUS:
self._notify_progress()
@property
def download_size_remaining(self) -> int:
return self._dl_remaining
@download_size_remaining.setter
def download_size_remaining(self, bytes_remaining: int) -> None:
self._dl_remaining = bytes_remaining
self._notify_progress()
class WebClientDeploy(BaseDeploy):
def __init__(self,
config: ConfigHelper,
cmd_helper: CommandHelper
) -> None:
super().__init__(config, cmd_helper, prefix="Web Client")
self.repo = config.get('repo').strip().strip("/")
self.owner, self.project_name = self.repo.split("/", 1)
self.path = pathlib.Path(config.get("path")).expanduser().resolve()
self.type = AppType.from_string(config.get('type'))
self.channel = Channel.from_string(config.get("channel", "stable"))
if self.channel == Channel.DEV:
self.server.add_warning(
f"Invalid Channel '{self.channel}' for config "
f"section [{config.get_name()}], type: {self.type}. "
f"Must be one of the following: stable, beta. "
f"Falling back to beta channel"
)
self.channel = Channel.BETA
self.info_tags: List[str] = config.getlist("info_tags", [])
self.persistent_files: List[str] = []
self.warnings: List[str] = []
self.version: str = "?"
pfiles = config.getlist('persistent_files', None)
if pfiles is not None:
self.persistent_files = [pf.strip("/") for pf in pfiles]
if ".version" in self.persistent_files:
raise config.error(
"Invalid value for option 'persistent_files': "
"'.version' can not be persistent")
self._valid: bool = True
self._is_prerelease: bool = False
self._is_fallback: bool = False
self._path_writable: bool = False
async def _validate_client_info(self) -> None:
self._valid = False
self._is_fallback = False
eventloop = self.server.get_event_loop()
self.warnings.clear()
if not self._path_writable:
self.warnings.append(
f"Location at option 'path: {self.path}' is not writable."
)
elif not self.path.is_dir():
self.warnings.append(
f"Location at option 'path: {self.path}' does not exist."
)
elif source_info.within_git_repo(self.path):
self.warnings.append(
f"Location at option 'path: {self.path}' is a git repo."
)
else:
rinfo = self.path.joinpath("release_info.json")
if rinfo.is_file():
try:
data = await eventloop.run_in_thread(rinfo.read_text)
uinfo: Dict[str, str] = json.loads(data)
project_name = uinfo["project_name"]
owner = uinfo["project_owner"]
self.version = uinfo["version"]
except Exception:
logging.exception("Failed to load release_info.json.")
else:
self._valid = True
detected_repo = f"{owner}/{project_name}"
if self.repo.lower() != detected_repo.lower():
self.warnings.append(
f"Value at option 'repo: {self.repo}' does not match "
f"detected repo '{detected_repo}', falling back to "
"detected version."
)
self.repo = detected_repo
self.owner = owner
self.project_name = project_name
else:
version_path = self.path.joinpath(".version")
if version_path.is_file():
version = await eventloop.run_in_thread(version_path.read_text)
self.version = version.strip()
self._valid = await self._detect_fallback()
if not self._valid:
self.warnings.append("Failed to validate client installation")
if self.server.is_debug_enabled():
self.log_info("Debug Enabled, overriding validity checks")
async def _detect_fallback(self) -> bool:
fallback_defs = {
"mainsail": "mainsail-crew",
"fluidd": "fluidd-core"
}
for fname in ("manifest.json", "manifest.webmanifest"):
manifest = self.path.joinpath(fname)
eventloop = self.server.get_event_loop()
if manifest.is_file():
try:
mtext = await eventloop.run_in_thread(manifest.read_text)
mdata: Dict[str, Any] = json.loads(mtext)
proj_name: str = mdata["name"].lower()
except Exception:
self.log_exc(f"Failed to load json from {manifest}")
continue
if proj_name in fallback_defs:
owner = fallback_defs[proj_name]
detected_repo = f"{owner}/{proj_name}"
if detected_repo != self.repo.lower():
self.warnings.append(
f"Value at option 'repo: {self.repo}' does not match "
f"detected repo '{detected_repo}', falling back to "
"detected version."
)
self.repo = detected_repo
self.owner = owner
self.project_name = proj_name
self._is_fallback = True
return True
return False
async def initialize(self) -> Dict[str, Any]:
fm: FileManager = self.server.lookup_component("file_manager")
self._path_writable = not fm.check_reserved_path(
self.path, need_write=True, raise_error=False
)
if self._path_writable:
fm.add_reserved_path(f"update_manager {self.name}", self.path)
await self._validate_client_info()
storage = await super().initialize()
if self.version == "?":
self.version = storage.get("version", "?")
self.remote_version: str = storage.get('remote_version', "?")
self.rollback_version: str = storage.get('rollback_version', self.version)
self.rollback_repo: str = storage.get(
'rollback_repo', self.repo if self._valid else "?"
)
self.last_error: str = storage.get('last_error', "")
dl_info: List[Any] = storage.get('dl_info', ["?", "?", 0])
self.dl_info: Tuple[str, str, int] = cast(
Tuple[str, str, int], tuple(dl_info))
if not self.needs_refresh():
self._log_client_info()
return storage
def _log_client_info(self) -> None:
warn_str = ""
if self.warnings:
warn_str = "\nWarnings:\n"
warn_str += "\n".join([f" {item}" for item in self.warnings])
dl_url, content_type, size = self.dl_info
logging.info(
f"Web Client {self.name} Detected:\n"
f"Repo: {self.repo}\n"
f"Channel: {self.channel}\n"
f"Path: {self.path}\n"
f"Local Version: {self.version}\n"
f"Remote Version: {self.remote_version}\n"
f"Valid: {self._valid}\n"
f"Fallback Client Detected: {self._is_fallback}\n"
f"Pre-release: {self._is_prerelease}\n"
f"Download Url: {dl_url}\n"
f"Download Size: {size}\n"
f"Content Type: {content_type}\n"
f"Rollback Version: {self.rollback_version}\n"
f"Rollback Repo: {self.rollback_repo}"
f"{warn_str}"
)
async def refresh(self) -> None:
try:
if not self._valid:
await self._validate_client_info()
await self._get_remote_version()
except Exception:
logging.exception("Error Refreshing Client")
self._log_client_info()
self._save_state()
async def _fetch_github_version(
self, repo: Optional[str] = None, tag: Optional[str] = None
) -> Dict[str, Any]:
if repo is None:
if not self._valid:
self.log_info("Invalid Web Installation, aborting remote refresh")
return {}
repo = self.repo
if tag is not None:
resource = f"repos/{repo}/releases/tags/{tag}"
elif self.channel == Channel.STABLE:
resource = f"repos/{repo}/releases/latest"
else:
resource = f"repos/{repo}/releases?per_page=1"
client = self.cmd_helper.get_http_client()
resp = await client.github_api_request(
resource, attempts=3, retry_pause_time=.5
)
release: Union[List[Any], Dict[str, Any]] = {}
if resp.status_code == 304:
if resp.content:
# Not modified, however we need to restore state from
# cached content
release = resp.json()
else:
# Either not necessary or not possible to restore from cache
return {}
elif resp.has_error():
self.log_info(f"Github Request Error - {resp.error}")
self.last_error = str(resp.error)
return {}
else:
release = resp.json()
result: Dict[str, Any] = {}
if isinstance(release, list):
if release:
result = release[0]
else:
result = release
self.last_error = ""
return result
async def _get_remote_version(self) -> None:
result = await self._fetch_github_version()
if not result:
return
self.remote_version = result.get('name', "?")
release_asset: Dict[str, Any] = result.get('assets', [{}])[0]
dl_url: str = release_asset.get('browser_download_url', "?")
content_type: str = release_asset.get('content_type', "?")
size: int = release_asset.get('size', 0)
self.dl_info = (dl_url, content_type, size)
self._is_prerelease = result.get('prerelease', False)
def get_persistent_data(self) -> Dict[str, Any]:
storage = super().get_persistent_data()
storage['version'] = self.version
storage['remote_version'] = self.remote_version
storage['rollback_version'] = self.rollback_version
storage['rollback_repo'] = self.rollback_repo
storage['dl_info'] = list(self.dl_info)
storage['last_error'] = self.last_error
return storage
async def update(
self, rollback_info: Optional[Tuple[str, str, int]] = None
) -> bool:
if not self._valid:
raise self.server.error(
f"Web Client {self.name}: Invalid install detected, aborting update"
)
if rollback_info is not None:
dl_url, content_type, size = rollback_info
start_msg = f"Rolling Back Web Client {self.name}..."
else:
if self.remote_version == "?":
await self._get_remote_version()
if self.remote_version == "?":
raise self.server.error(
f"Client {self.repo}: Unable to locate update"
)
dl_url, content_type, size = self.dl_info
if self.version == self.remote_version:
# Already up to date
return False
start_msg = f"Updating Web Client {self.name}..."
if dl_url == "?":
raise self.server.error(f"Client {self.repo}: Invalid download url")
current_version = self.version
event_loop = self.server.get_event_loop()
self.cmd_helper.notify_update_response(start_msg)
self.cmd_helper.notify_update_response(f"Downloading Client: {self.name}")
td = await self.cmd_helper.create_tempdir(self.name, "client")
try:
tempdir = pathlib.Path(td.name)
temp_download_file = tempdir.joinpath(f"{self.name}.zip")
temp_persist_dir = tempdir.joinpath(self.name)
client = self.cmd_helper.get_http_client()
await client.download_file(
dl_url, content_type, temp_download_file, size,
self.cmd_helper.on_download_progress)
self.cmd_helper.notify_update_response(
f"Download Complete, extracting release to '{self.path}'")
await event_loop.run_in_thread(
self._extract_release, temp_persist_dir,
temp_download_file)
finally:
await event_loop.run_in_thread(td.cleanup)
self.version = self.remote_version
await self._validate_client_info()
if self._valid and rollback_info is None:
self.rollback_version = current_version
self.rollback_repo = self.repo
msg = f"Client Update Finished: {self.name}"
if rollback_info is not None:
msg = f"Rollback Complete: {self.name}"
self.cmd_helper.notify_update_response(msg, is_complete=True)
self._log_client_info()
self._save_state()
return True
async def rollback(self) -> bool:
if self.rollback_version == "?" or self.rollback_repo == "?":
raise self.server.error("Incomplete Rollback Data")
if self.rollback_version == self.version:
return False
result = await self._fetch_github_version(
self.rollback_repo, self.rollback_version
)
if not result:
raise self.server.error("Failed to retrieve release asset data")
release_asset: Dict[str, Any] = result.get('assets', [{}])[0]
dl_url: str = release_asset.get('browser_download_url', "?")
content_type: str = release_asset.get('content_type', "?")
size: int = release_asset.get('size', 0)
dl_info = (dl_url, content_type, size)
return await self.update(dl_info)
def _extract_release(self,
persist_dir: pathlib.Path,
release_file: pathlib.Path
) -> None:
if not persist_dir.exists():
os.mkdir(persist_dir)
if self.path.is_dir():
# find and move persistent files
for fname in os.listdir(self.path):
src_path = self.path.joinpath(fname)
if fname in self.persistent_files:
dest_dir = persist_dir.joinpath(fname).parent
os.makedirs(dest_dir, exist_ok=True)
shutil.move(str(src_path), str(dest_dir))
shutil.rmtree(self.path)
os.mkdir(self.path)
with zipfile.ZipFile(release_file) as zf:
zf.extractall(self.path)
# Move temporary files back into
for fname in os.listdir(persist_dir):
src_path = persist_dir.joinpath(fname)
dest_dir = self.path.joinpath(fname).parent
os.makedirs(dest_dir, exist_ok=True)
shutil.move(str(src_path), str(dest_dir))
def get_update_status(self) -> Dict[str, Any]:
return {
'name': self.name,
'owner': self.owner,
'version': self.version,
'remote_version': self.remote_version,
'rollback_version': self.rollback_version,
'configured_type': str(self.type),
'channel': str(self.channel),
'info_tags': self.info_tags,
'last_error': self.last_error,
'is_valid': self._valid,
'warnings': self.warnings
}
def load_component(config: ConfigHelper) -> UpdateManager:
return UpdateManager(config)